156 / | HD | ADHESIVE BONDING AND MISCELLANEOUS CHEMICAL MANUFACTURE |
1 | DF | METHODS {7} |
60 | DF | .~ Surface bonding and/or assembly therefor {93} |
160 | DF | .~.~ Bonding in stressed condition of at least one prestressed element {4} |
161 | .~.~.~ Of stressed filaments |